Fair value - Additional information (Detail) - PEN (S/) |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Disclosure of fair value measurement of assets [line items] | ||
| Transfers out of Level 1 into Level 2 of fair value hierarchy | S/ 0 | S/ 7,995,000 |
| Transfers out of Level 2 into Level 1 of fair value hierarchy | 19,763,000 | 42,195,000 |
| Level 1 [member] | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Transfers out of Level 2 into Level 1 of fair value hierarchy | 0 | 0 |
| Level 2 [member] | ||
| Disclosure of fair value measurement of assets [line items] | ||
| Transfers out of Level 2 into Level 1 of fair value hierarchy | S/ 0 | S/ 0 |